Brian Coburn (born c. 1945) is former politician in Ontario, Canada. He sat in the Legislative Assembly of Ontario from 1999 to 2003, representing the riding of Carleton—Gloucester (renamed as Ottawa—Orléans) for the Progressive Conservative Party. Coburn was a cabinet minister in the government of Mike Harris and Ernie Eves. He is not to be confused with the person of the same name who represents the same area on the Ottawa-Carleton Catholic School Board.